Home / 80,675.37-120,846.60-47,294.06

Finding the Fourth Proportional to 80,675.37, 120,846.60 and 47,294.06

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Solution

The fourth proportional to 80,675.37, 120,846.60 and 47,294.06 is: 70,843.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,675.37 : 120,846.60 = 47,294.06 : x
  2. Step 2: Convert to fraction form
    80,675.37/120,846.60 = 47,294.06/x
  3. Step 3: Cross multiply
    80,675.37x = 120,846.60 × 47,294.06
  4. Step 4: Simplify right side
    80,675.37x = 5,715,325,746.96
  5. Step 5: Solve for x
    x = 5,715,325,746.96/80,675.37
  6. Step 6: Final answer
    x = 70,843.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.